Desc: Ninja Shadow Warriors: Directed by John Wate. With Yuki Tsunematsu, Ryo Watanabe, Shigeru Inoue, Tôru Iwasu. NINJA is unearthing the true history, unique military skills and ancient traditions behind the infamous Ninja. The drama documentary tells the intriguing story of Ninja Tanba who was trained by his grandfather to become one of the most feared warriors in ancient Japan. Also featuring one of the last (if not only) surviving Ninja masters.